Detailed Instructions: You are given a sentence and a question in the input. The information provided in the sentence should be enough to answer the question. You're expected to write the correct answer. Do not use any facts other than those provided in the sentence.
Problem:Sentence: One day John and Sally's mother made up her mind to bake a very special cake for her son and daughter, but she didn't have the ingredients. 
Question: What did John and Sally's mother want to do for her son and daughter?
Solution:
Bake a cake.